Long underwear is not sold at all clothing stores. One of the best places to check is a camping store like REI, which has long underwear all year round. During the winter these items can be found at Target or Macys.
You can purchase men's silk underwear online from stores such as Cabela's. Alternatively, you can purchase this item online from retailers such as Amazon.
Thermal underwear for women can be purchased at a number of retail stores. Some stores that sell thermal underwear for women include Kohl's, Macy's, Target, and Walmart.
Underarmour is the best long underwear, they also sell long t shirts. REI and Jockey also sell good long underwear that is good for outdoor and athletic activity.
Other than underwear, HOM sells men's swimwear. If one doesn't include them as underwear, then men's socks are available for sale at HOM stores as well.
One can purchase baby underwear from many different stores and retailers. Some examples that sell baby underwear include Target, Cafepress, and Walmart.
Disposable underwear can be bought at many, many stores. They can be found at WalMart, Target, WalGreens, RiteAid, K-Mart, and most dollar stores. There are also websites online which sell them.
You can buy long underwear and long thermal underwear from online stores such as Amazon. They offer a wide range of products at great prices. You could also use John Lewis and Marks and Spencer.
Hanes Men's and Women's Long Underwear can be bought at various online stores which include but are not limited to Amazon, Walmart and the official Hanes' website.
Walmart or Kohls sell underwear.
Often times Edible underwear is found only in "Adult" stores like lingerie, and sex-toy shops, and the legal age there is 18 (depending on what state you live in), However, there are some places that sell gag gifts like Spencer's Gifts (california) that sell item such as those, and I don't believe there are any age restrictions for purchase there. RA
Trunk is not a brand of underwear, it is a style of men's underwear. They are more like shorts and can be tight-fitting or loose. There are many online stores which sell trunks, for example; Alick Alexander, eBay, Fresh Pair and Matalan.
To purchase a Hot Chilly's long underwear garment, the best place to check is the website for the company. The product is also available at retail stores in some areas.